Enviro EF Thermo 28 Technical Manual
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Enviro EF Thermo 28 Technical Manual

Enviro EF Thermo 28 Technical Manual

Pellet stove
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Download this manual See also: Owner's Manual, Technical Manual
SHERWOOD INDUSTRIES IS AN ENVIRONMENTALLY RESPONSIBLE COMPANY. THIS MANUAL IS PRINTED ON RECYCLED PAPER.
PLEASE KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE
PELLET STOVE
EF THERMO 28
TECHNICAL MANUAL
����
PLEASE READ THIS ENTIRE MANUAL BEFORE INSTALLATION AND USE
OF THIS PELLET-BURNING ROOM HEATER. FAILURE TO FOLLOW THESE
INSTRUCTIONS COULD RESULT IN PROPERTY DAMAGE, BODILY INJURY
OR EVEN DEATH.
Contact your building or fire officials about restrictions and installation
inspection requirements in your area.
50-878

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Summary of Contents for Enviro EF Thermo 28

  • Page 1 SHERWOOD INDUSTRIES IS AN ENVIRONMENTALLY RESPONSIBLE COMPANY. THIS MANUAL IS PRINTED ON RECYCLED PAPER. PLEASE KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE PELLET STOVE EF THERMO 28 TECHNICAL MANUAL ���� PLEASE READ THIS ENTIRE MANUAL BEFORE INSTALLATION AND USE OF THIS PELLET-BURNING ROOM HEATER. FAILURE TO FOLLOW THESE INSTRUCTIONS COULD RESULT IN PROPERTY DAMAGE, BODILY INJURY OR EVEN DEATH.

  • Page 2: Table Of Contents

    Table of Contents Introduction..................3 Rating Label Location..............3 Important Safety Data...............3 Safety Warnings And Recommendations........3 Specifications..................5 EF Thermo Data...............5 Rating Label Location..............6 Appliance Dimensions...............6 Safety Devices................7 Installation..................9 Deciding Where to Locate your Pellet Appliance......9 Removing Your New Stove From the Pallet........9 Slider/Damper Operation............9 Vent Termination Requirements..........10 Clearances to Combustibles.............11...

  • Page 3: Introduction

    To prevent the possibility of a fire, ensure that the appliance is properly installed by adhering to the installation instructions. An ENVIRO dealer will be happy to assist you in obtaining information with regards to your local building codes and installation restrictions.
  • Page 4 GLASS: Do not abuse the glass by striking or slamming the door. Do not attempt to operate the stove with broken glass. The stove uses ceramic glass. Replacement glass must be purchased from an ENVIRO dealer. Do not attempt to open the door and clean the glass while the unit is in operation or if glass is hot.

  • Page 5: Specifications

    Specifications EF T HERMO Necessary draught 34.8 Pa (0.348 mbar) Water content 17.3 liters Exhaust gas temperature at nominal heat output 230°C Exhaust gas temperature at minimum heat output 120°C Exhaust mass flow at nominal heat output 7.5 g/s Exhaust mass flow at minimum heat output 8.0 g/s Flue pipe diameter 80 mm...

  • Page 6: Rating Label Location

    Specifications ATING ABEL OCATION The rating label is located on the hopper lid. PPLIANCE IMENSIONS UNIT DIMENSIONS HEIGHT: 37 3⁄8” (949 mm) WIDTH: 25 1⁄4” (641 mm) DEPTH: 25 ” (646 mm) HEARTH PAD: WIDTH: 25 1⁄4” (641 mm) DEPTH: 31 ”...

  • Page 7: Safety Devices

    Specifications AFETY EVICES Air Bleeder Valve (shown in Figure 3): Located under unit top of the unit. To remove the top follow these steps (refer to Figure 4): ��� ������� ����� 1. Open hopper lid and remove the two (2) screws at the front.
  • Page 8 Specifications To remove the cabinet sides, follow these steps: 1. Loosen the three (3) screws from both sides on the back of the appliance (see Figure 7). 2. Remove the ash drawer cover (see Figure 8). 3. Remove the four (4) screws, two on each side, under the ash drawer holding the cabinet sides on (see Figure 9).

  • Page 9: Installation

    Installation ECIDING HERE TO OCATE YOUR ELLET PPLIANCE 1. Check clearances to combustibles to the unit and for the venting as per the pellet vent manufacturer’s installation instructions. 2. Do not obtain combustion air from an attic, garage or any unventilated space. Combustion air may be obtained from a ventilated crawlspace.

  • Page 10: Vent Termination Requirements

    Installation ERMINATION EQUIREMENTS IT IS RECOMMENDED THAT YOUR PELLET STOVE BE INSTALLED BY AN AUTHORIZED DEALER/INSTALLER. Use Table 2 in conjunction with Figure 11 for allowable exterior vent termination locations. Table 2 Letter Minimum Clearance Description 24 in (61 cm) Above grass, top of plants, wood, or any other combustible materials.

  • Page 11: Clearances To Combustibles

    Installation LEARANCES TO OMBUSTIBLES This unit can be installed on a combustible floor due to the built in pedestal hearth pad (for example linoleum, hardwood flooring). If combustible flooring is underneath the unit 6 inches (153 mm) on either side and to the front must be protected by non-combustible material. If this unit is to be installed onto a carpeted surface, a hearth pad must be used for stability.

  • Page 12: Water Line Schematic

    Installation ATER CHEMATIC Figure 14...

  • Page 13: Horizontal Through Wall Installation

    HROUGH NSTALLATION The ENVIRO EF THERMO can be vented by a couple of different methods. 1. NOTE: Use only listed type “PL” or “L” pellet venting products. Failure to use listed components may cause damage or personal injury or death.

  • Page 14: Through Wall Installation

    Installation HROUGH NSTALLATION Fresh-Air Intake 1” (25mm) Wall thimble manufactured by pellet vent manufacturer. 1” (25mm) 6” (150mm) Floor Protection Figure 15 Wall 1” Thimble (2.5cm) 45° Elbow 6” 12” (15.2cm) (30.5cm) Fresh-Air Intake Non-combustible Floor Protection Existing Floor Rodent (combustible) Mesh Cap Figure 16...

  • Page 15: Inside Vertical Installation

    Installation NSIDE ERTICAL NSTALLATION Choose a stove location that is ideal. See the section Deciding Where to Locate Your Pellet Appliance. Place a non-combustible hearth pad where necessary. Place the unit on the hearth pad and space it in a manner so when the pellet vent is installed vertically, it will be 3”...

  • Page 16: Outside Vertical Installation

    Installation UTSIDE ERTICAL NSTALLATION To accomplish an outside vertical installation, follow steps 1 through 9 in the Inside Vertical Installation section and then finish it by performing the following: Install a tee with clean out on the outside of the house. Install PL vent upward from the tee.

  • Page 17: Thermostat Installed

    Installation HERMOSTAT NSTALLED This control board can be placed into two different A) HI / LOW: When the modes: When the jumper J9 is not jumped jumper is placed on then the control board is in a HI / LOW mode only one of the J9 pins, then the control board operation.

  • Page 18: Troubleshooting

    Troubleshooting DO NOT: Hold the ON / OFF BUTTON; this is a momentary contact switch and can be damaged if held down too long. Service the stove with wet hands. The stove is an electrical appliance, which may pose a shock hazard if handled improperly.

  • Page 19: Wiring Diagram

    Troubleshooting «Poor Quality Fuel – Insufficient energy in the fuel to produce enough heat to keep the stove burning or operational. «Exhaust Temperature Sensor failure – Bypass sensor located on Exhaust Channel. If stove now operates properly, the unit may require cleaning or a new sensor. Contact your local dealer for service. «The unit may require cleaning.
  • Page 20 Troubleshooting 8. The stove will not shut off. «If the unit will not shut off, ensure that the thermostat (if equipped) is turned down below the room temperature (thermostat mode in the ON / OFF position). «If the unit is in the HI/LOW mode the unit will not shut off but will go to an idle setting (LOW). Press the ON/OFF button to turn the unit off.

  • Page 21: Wiring Diagram

    Wiring Diagram GREY 200 °F 93 °C HIGH LIMIT WATER GREY TEMPERATURE SENSOR GREY LOWER PRESSURE SENSOR GREY BLUE COMBUSTION BLOWER WHITE BROWN POWER CORD 120°F 49°C EXHAUST TEMPERATURE SENSOR BROWN GROUND BLACK BLACK WHITE LIGHT BLUE BROWN COMMON THERMOSTAT 5 A FUSES 5 VDC BLACK...

  • Page 22: Parts List

    Parts List Reference Part Description Part Number Number 120°F (49°C) exhaust temperature sensor EC-001 Vacuum switch - 220V EF-017-220V Auger Brass Bushings (Set Of 2) EF4i-065 Hardened Bushing 20-020 Tube cleaner rod 50-680 300 Watt Ignitor - 220V 50-829 DIN Owner’s Manual 50-877 DIN Technical Manual 50-878...

  • Page 23: Parts Diagram - Components

    Parts Diagram - Components...

  • Page 24: Parts Diagram - Body

    Parts Diagram - Body �� �� �� �� � �� �� � �� �� �� �� �� �� �� �� �� �� ��...

  • Page 25: Warranty

    Warranty Sherwood Industries Ltd. gives a five year limited warranty on all steel manufactured parts. A one-year warranty is provided on all electrical components. The above limited warranties are extended only to the original purchaser. There is no warranty on the following parts: ●...

  • Page 26: Installation Data Sheet

    Installation Data Sheet The following information must be recorded by the installer for warranty purposes and future reference. NAME OF OWNER: NAME OF DEALER: _________________________________________ _________________________________________ ADDRESS: ADDRESS: _________________________________________ _________________________________________ _________________________________________ _________________________________________ _________________________________________ _________________________________________ PHONE:___________________________________ PHONE:___________________________________ MODEL:___________________________________ NAME OF INSTALLER: SERIAL NUMBER:___________________________ _________________________________________ DATE OF PURCHASE: _____________...

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